Question

complete the sentence with the word that best fits the overall meaning and tone.
in into thin air, author jon krakauer describes the extreme danger involved in climbing mt. everest, and he concludes that some mountain climbers must have ____________ to take risks in order to undergo such challenges.
a compulsion
an inclination

Explanation:

"A compulsion" implies a strong, irresistible urge, which fits the context of taking risks despite extreme danger. "An inclination" is a weaker tendency. Given the extreme nature of climbing Everest as described, "a compulsion" conveys a more intense drive.

Answer:

a compulsion